This Boyds Hardwood Gunstocks Marlin 39A .22 Stocks dimensions are:
Top Tang Width: .535"
Top Tang Length: 3.1"
Bottom Tang Width: .525"
Bottom Tang Length: 3.1"
Stock Height at Receiver: 1.575"
Stock Width at Receiver: 1.25"
Overall Length of Stock: 12.9"
Measurement of Receiver Mounting Bolt: .215" X1.68"